matlib hand book in chinese.htm

C-#XML入门经典 经典 经典 最佳入门

x&nbsp;=&nbsp; <br>
<br>
7&nbsp;10&nbsp;13&nbsp;16&nbsp; <br>
<br>
<br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#20107;&#23454;&#19978;&#65292;&#25105;&#20204;&#21487;&#21033;&#29992;</span><span
lang=EN-US>linspace</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#26469;&#20135;&#29983;&#20219;&#24847;&#30340;&#31561;&#24046;&#25968;&#21015;&#65306;</span><span
lang=EN-US>&nbsp; <br>
<br>
<br>
x&nbsp;=&nbsp;linspace(4,&nbsp;10,&nbsp;6)&nbsp;%&nbsp;</span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#31561;&#24046;&#25968;&#21015;&#65306;&#39318;&#39033;&#20026;</span><span
lang=EN-US>4,</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#26411;&#39033;&#20026;</span><span
lang=EN-US>10,</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#39033;&#25968;&#20026;</span><span
lang=EN-US>6&nbsp; <br>
<br>
x&nbsp;=&nbsp; <br>
<br>
4.0000&nbsp;5.2000&nbsp;6.4000&nbsp;7.6000&nbsp;8.8000&nbsp;10.0000&nbsp; <br>
<br>
<br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#33509;&#23545;</span><span
lang=EN-US>MATLAB</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#20989;&#25968;&#29992;&#27861;&#26377;&#30097;&#38382;&#65292;&#21487;&#38543;&#26102;&#20351;&#29992;</span><span
lang=EN-US>help</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#26469;&#23547;&#27714;&#32447;&#19978;&#25903;&#25588;&#65288;</span><span
lang=EN-US>on-line&nbsp;help</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65289;&#65306;</span><span
lang=EN-US> <br>
<br>
<br>
<span class=GramE>help</span>&nbsp;linspace&nbsp; <br>
<br>
LINSPACE&nbsp;Linearly&nbsp;spaced&nbsp;vector.&nbsp; <br>
<br>
LINSPACE(x1,&nbsp;x2)&nbsp;generates&nbsp;a&nbsp;row&nbsp;vector&nbsp;of&nbsp;100&nbsp;linearly<span
class=GramE>&nbsp; </span><br>
<br>
equally&nbsp;spaced&nbsp;points&nbsp;between&nbsp;x1&nbsp;and&nbsp;x2.&nbsp; <br>
<br>
<br>
<br>
LINSPACE(x1,&nbsp;x2,&nbsp;N)&nbsp;generates&nbsp;N&nbsp;points&nbsp;between&nbsp;x1&nbsp;and&nbsp;x2.&nbsp;
<br>
<br>
<br>
<br>
See&nbsp;also&nbsp;LOGSPACE<span class=GramE>,&nbsp;:</span>.&nbsp; <br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#23567;&#25972;&#29702;&#65306;</span><span
lang=EN-US>MATLAB</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#30340;&#26597;&#35810;&#21629;&#20196;</span><span
lang=EN-US>&nbsp;help</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65306;&#29992;&#26469;&#26597;&#35810;&#24050;&#30693;&#21629;&#20196;&#30340;&#29992;&#27861;&#12290;&#20363;&#22914;&#24050;&#30693;</span><span
lang=EN-US>inv</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#26159;&#29992;&#26469;&#35745;&#31639;&#21453;</span><span
lang=EN-US><br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30697;&#38453;&#65292;&#38190;&#20837;</span><span
lang=EN-US>help&nbsp;inv</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21363;&#21487;&#24471;&#30693;&#26377;&#20851;</span><span
lang=EN-US>inv</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21629;&#20196;&#30340;&#29992;&#27861;&#12290;&#65288;&#38190;&#20837;</span><span
lang=EN-US>help&nbsp;help</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21017;&#26174;&#31034;</span><span
lang=EN-US>help</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#30340;&#29992;&#27861;&#65292;</span><span
lang=EN-US><br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#35831;&#35797;&#30475;<span
class=GramE>&#30475;</span>&#65281;&#65289;</span><span lang=EN-US>&nbsp;lookfor</span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#65306;&#29992;&#26469;&#23547;&#25214;&#26410;&#30693;&#30340;&#21629;&#20196;&#12290;&#20363;&#22914;&#35201;&#23547;&#25214;&#35745;&#31639;&#21453;&#30697;&#38453;&#30340;&#21629;&#20196;&#65292;&#21487;&#38190;&#20837;</span><span
lang=EN-US><br>
lookfor&nbsp;inverse</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65292;</span><span
lang=EN-US>MATLAB</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21363;&#20250;&#21015;&#20986;&#25152;&#26377;&#21644;&#20851;&#38190;&#23383;</span><span
lang=EN-US>inverse</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#30456;&#20851;&#30340;&#25351;&#20196;&#12290;&#25214;&#21040;&#25152;&#38656;&#30340;&#21629;&#20196;<span
class=GramE>&#24460;</span></span><span lang=EN-US><br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65292;&#21363;&#21487;&#29992;</span><span
lang=EN-US>help</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#36827;&#19968;&#27493;&#25214;&#20986;&#20854;&#29992;&#27861;&#12290;&#65288;</span><span
lang=EN-US>lookfor</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#20107;&#23454;&#19978;&#26159;&#23545;&#25152;&#26377;&#22312;&#25628;&#23547;&#36335;&#24452;&#19979;&#30340;</span><span
lang=EN-US>M</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#26723;&#26696;&#36827;&#34892;&#20851;</span><span
lang=EN-US><br>
</span><span class=GramE><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#38190;&#23383;&#23545;</span></span><span
style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>&#31532;&#19968;&#27880;&#35299;&#34892;&#30340;&#27604;&#23545;&#65292;&#35814;&#35265;<span
class=GramE>&#24460;</span>&#21465;&#12290;&#65289;</span><span lang=EN-US>&nbsp;
<br>
<br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#23558;&#21015;&#21521;&#37327;&#36716;&#32622;&#65288;</span><span
lang=EN-US>Transpose</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65289;<span
class=GramE>&#24460;</span>&#65292;&#21363;&#21487;&#24471;&#21040;&#34892;&#21521;&#37327;&#65288;</span><span
lang=EN-US>Column&nbsp;vector</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65289;&#65306;</span><span
lang=EN-US>&nbsp; <br>
<br>
z&nbsp;=&nbsp;x'&nbsp; <br>
<br>
z&nbsp;=&nbsp; <br>
<br>
4.0000&nbsp; <br>
<br>
5.2000&nbsp; <br>
<br>
6.4000&nbsp; <br>
<br>
7.6000&nbsp; <br>
<br>
8.8000&nbsp; <br>
<br>
10.0000&nbsp; <br>
<br>
<br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#19981;&#35770;&#26159;&#34892;&#21521;&#37327;&#25110;&#21015;&#21521;&#37327;&#65292;&#25105;&#20204;&#22343;&#21487;&#29992;&#30456;&#21516;&#30340;&#20989;&#25968;&#25214;&#20986;&#20854;&#20803;&#32032;&#20010;&#25968;&#12289;&#26368;&#22823;&#20540;&#12289;&#26368;&#23567;&#20540;&#31561;&#65306;</span><span
lang=EN-US>&nbsp;<br>
<br>
<br>
<br>
length(z)&nbsp;%&nbsp;z</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#30340;&#20803;&#32032;&#20010;&#25968;</span><span
lang=EN-US>&nbsp; <br>
<br>
ans&nbsp;=&nbsp; <br>
<br>
6&nbsp; <br>
<br>
<br>
max(z)&nbsp;%&nbsp;z</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#30340;&#26368;&#22823;&#20540;</span><span
lang=EN-US>&nbsp; <br>
<br>
ans&nbsp;=&nbsp; <br>
<br>
10&nbsp; <br>
<br>
<br>
min(z)&nbsp;%&nbsp;z</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#30340;&#26368;&#23567;&#20540;</span><span
lang=EN-US>&nbsp; <br>
<br>
ans&nbsp;=&nbsp; <br>
<br>
4&nbsp; <br>
<br>
</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#23567;&#25972;&#29702;&#65306;<span
class=GramE>&#36866;&#29992;&#26044;</span>&#21521;&#37327;&#30340;&#24120;&#29992;&#20989;&#25968;&#26377;&#65306;</span><span
lang=EN-US> <br>
min(x):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#20803;&#32032;&#30340;&#26368;&#23567;&#20540;</span><span
lang=EN-US> <br>
max(x):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#20803;&#32032;&#30340;&#26368;&#22823;&#20540;</span><span
lang=EN-US> <br>
mean(x):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#20803;&#32032;&#30340;&#24179;&#22343;&#20540;</span><span
lang=EN-US> <br>
median(x):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#20803;&#32032;&#30340;&#20013;&#20301;&#25968;</span><span
lang=EN-US> &nbsp;<br>
std(x):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#20803;&#32032;&#30340;&#26631;&#20934;&#24046;</span><span
lang=EN-US> <br>
diff(x):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#30456;&#37051;&#20803;&#32032;&#30340;&#24046;</span><span
lang=EN-US> <br>
sort(x): &nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#23545;&#21521;&#37327;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#20803;&#32032;&#36827;&#34892;&#25490;&#24207;&#65288;</span><span
lang=EN-US>Sorting</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65289;</span><span
lang=EN-US> <br>
length(x):&nbsp;</span><span style='font-family:SimSun;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#21521;&#37327;</span><span
lang=EN-US>x</span><span style='font-family:SimSun;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#30340;&#20803;&#32032;&#20010;&#25968;</span><span
lang=EN-US> <br>